HOMEWORK 4: H-R DIAGRAM
|
|
- Cornelius Hardy
- 5 years ago
- Views:
Transcription
1 NAME(S) SECTION DAY/TIME ASTRONOMY25 (LLOYD) SPRING 2012 Purpose HOMEWORK 4: H-R DIAGRAM To plot the H-R diagram of a star cluster and estimate its age and distance. Background Magnitude is a measure of the brightness of stars. Bigger numbers mean fainter stars. The faintest stars that can be seen with the unaided eye in a dark sky site are magnitude 6. B is the magnitude in the blue color. V is the magnitude in the yellow color. B V is the difference between these two. A large B V means the star is reddish; a negative B V means the star is bluish. Software Settings In the H-R (Color-magnitude) diagram, the B V color is plotted on the horizontal axis and the V magnitude on the vertical axis. These directions are for Stellarium version See the overview handout for Stellarium to adjust the initial settings if necessary. 1. Set your location to Torrance (if it's not already). 2. Set the time to 21:00 hours (9:00 pm) on Jan Stop the clock [7]. 4. Find Aldebaran. (Click on the magnifying lens or hit [F3].) 5. Zoom in till the Field of View (FOV) is about 5 to 10. (Hold down the shift key and hit page-up or page-down. On some laptops, hold down the fn key as well.) The FOV is displayed above the symbols on the bottom of the screen. Configuration For this exercise, you will need to load extra stars. 1. Open the Configuration window by clicking on the wrench icon or hit F2. 2. Click on the Tools tab. 3. The Star Catalog Updates section is at the bottom. Click on Get catalog 5 of 9. Wait till the new star catalog loads. 4. Click on Get catalog 6 of 9. Wait till the new star catalog loads. 5. Quit and restart Stellarium. Observe the Stars Click on thirty stars in the cluster. Try to have a variety of stars: both bright stars and very faint stairs. You should see some stars as faint as magnitude 9. Zoom to about 2 to see stars as faint as magnitude 11. Also notice that stars have color. Click on some bluish stars and some yellowish or reddish stars. For each star, record 1. the magnitude (this is the V magnitude). 2. the B-V color 3. the Right Ascension (RA). Use the first one (J2000). 4. the Declination (DE). Use the first one (J2000). Plot the magnitude and B-V color on the chart on page 3.
2 ASTRONOMY 25 H-R DIAGRAM P. 2 MAGNITUDE B V R.A. DEC.
3 ASTRONOMY 25 H-R DIAGRAM P
4 ASTRONOMY 25 H-R DIAGRAM P. 4 Age The age of a cluster is determined by the color of the bluest stars on the main sequence, since the blue stars spend the shortest amount of time on the main sequence and quickly turn into red giants. The color of the bluest stars is called the turn-off point. The age can be determined from the turn-off point by using this table: B V Age (millions of years) Distance The inverse square law tells us that the distance to a star is determined by the ratio of its apparent brightness to its absolute brightness (b/b). When using the stellar magnitude scale, the ratio b/b is replaced by the difference between the apparent and absolute magnitudes, (m-m). (The absolute magnitude is the apparent magnitude the star would have if put at a distance of 10 parsecs.) This quantity is called the distance modulus. Once the distance modulus is known, the distance in parsecs can be calculated as follows: x = (m M + 5)/5 distance = 10 x This equation is mathematically the same as the inverse square law.
5 ASTRONOMY 25 H-R DIAGRAM P. 5 Questions 1. Draw a line through the main sequence. What you have plotted is just one end of the main sequence. Is it the blue end or the red end? 2. Mark with an R any stars that appear to be red giants. 3. Circle any stars that appear to be background stars that don't belong to the cluster. 4. What is the B V color of the bluest cluster members? 5. Using the table, estimate the age of this cluster. 6. At what magnitude (m) does your main sequence line cross B V = 0.5? 7. A main sequence star of color B V = 0.5 has an absolute magnitude of M = 4. Calculate the distance modulus (m M) of the star cluster. 8. Calculate the distance to the cluster.round off to the nearest whole number. This is the distance in parsecs. 9. Compare the age of this star cluster with the age of the Galaxy.
STELLARIUM ACTIVITY #1: STARRISE AND STARSET
NAME(S) ASTRONOMY 20/25 SECTION DAY/TIME S. V. LLOYD STELLARIUM ACTIVITY #1: STARRISE AND STARSET Overview The sidereal day is the amount of time from starrise to the next starrise. In this activity, you
More informationComputer Activity #3 SUNRISE AND SUNSET: THE SEASONS
NAME(S)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ASTRONOMY 25 Computer Activity #3 SUNRISE AND SUNSET: THE SEASONS SECTION DAY/TIME S. V. LLOYD Overview The seasonal variation in temperature is due to two changes
More informationCHARTING THE HEAVENS USING A VIRTUAL PLANETARIUM
Name Partner(s) Section Date CHARTING THE HEAVENS USING A VIRTUAL PLANETARIUM You have had the opportunity to look at two different tools to display the night sky, the celestial sphere and the star chart.
More informationCOMPUTER ACTIVITY 3: THE SEASONS: LENGTH OF THE DAY
NAME ASTRONOMY 20 SECTION DAY/ S. V. LLOYD COMPUTER ACTIVITY 3: THE SEASONS: LENGTH OF THE DAY Overview Software Configuration The seasonal variation in temperature is due to two changes in the Sun's path
More informationAssignment #12 The Milky Way
Name Date Class Assignment #12 The Milky Way For thousands of years people assumed that the stars they saw at night were the entire universe. Even after telescopes had been invented, the concept of a galaxy
More informationAstronomy 102 Lab: Stellar Parallax and Proper Motion
Name: Astronomy 102 Lab: Stellar Parallax and Proper Motion If you own a laptop, please bring it to class. You will use Stellarium again. The Stellarium shortcuts you used in the first lab are on the inside
More informationPhotoelectric Photometry of the Pleiades Student Manual
Name: Lab Partner: Photoelectric Photometry of the Pleiades Student Manual A Manual to Accompany Software for the Introductory Astronomy Lab Exercise Edited by Lucy Kulbago, John Carroll University 11/24/2008
More informationMeasuring the Milky Way
Printed: Mar/01/2013 Milky Way Lab Page MW- 13 NAME Name Group NAME Name Date Measuring the Milky Way References B Carroll and D. Ostlie, An Introduction to Modern Astrophysics (Addison-Wesley, 1996),
More informationCOLOR MAGNITUDE DIAGRAMS
COLOR MAGNITUDE DIAGRAMS What will you learn in this Lab? This lab will introduce you to Color-Magnitude, or Hertzsprung-Russell, Diagrams: one of the most useful diagnostic tools developed in 20 th century
More informationIntroduction to Telescopes Pre-lab
AST 114 Spring 2005 Introduction to Telescopes Introduction to Telescopes Pre-lab 1. Read through the "Parts of a Telescope" section of the lab. You may be asked to point out the different parts of the
More informationAssignment #9 Star Colors & the B-V Index
Name Class Date Assignment #9 Star Colors & the B-V Index Millions of stars are scattered across the sky. Astronomers want to study these stars as carefully as possible. This means measuring everything
More informationProject: Hubble Diagrams
Project: Hubble Diagrams Distances Exercise 1 In this exercise, you will find the magnitudes of six galaxies in the SDSS database. The table below shows the object IDs and positions (right ascension and
More informationPhotoelectric Photometry of the Pleiades Student Manual
Photoelectric Photometry of the Pleiades Student Manual A Manual to Accompany Software for the Introductory Astronomy Lab Exercise Document SM 2: Version 1.1.1 lab Department of Physics Gettysburg College
More informationLAB: Photometry of the Pleiades Cluster
LAB: Photometry of the Pleiades Cluster ASTR 203 - Instructors Olszewski & Rigby Due IN CLASS on Oct. 30 You may work with 1 partner. If you do, only turn in 1 assignment with both your names on it! You
More informationWikipedia - Stellar classification:
Stars and Hertzprung-Russell Diagram Introductory Astronomy laboratory exercise with Stellarium Mike Chu Name Stellarium is an open source and cross-platform application from www.stellarium.org. A star
More informationINTRODUCTION TO THE TELESCOPE
INTRODUCTION TO THE TELESCOPE What will you learn in this Lab? For a few of the labs this semester, you will be using an 8-inch Celestron telescope to take observations. This lab will introduce you to
More informationAstroBITS: Open Cluster Project
AstroBITS: Open Cluster Project I. Introduction The observational data that astronomers have gathered over many years indicate that all stars form in clusters. In a cloud of hydrogen gas, laced with helium
More informationAssignment #0 Using Stellarium
Name: Class: Date: Assignment #0 Using Stellarium The purpose of this exercise is to familiarize yourself with the Stellarium program and its many capabilities and features. Stellarium is a visually beautiful
More informationThe Hertzsprung-Russell Diagram and Stellar Evolution
The Hertzsprung-Russell Diagram and Stellar Evolution Names: The H-R Diagram and Stellar Properties Activity 1. In which corner of the diagram (upper right, upper left, lower right, or lower left) would
More informationAstronomy 101 Lab: Stellarium Tutorial
Name: Astronomy 101 Lab: Stellarium Tutorial Please install the Stellarium software on your computer using the instructions in the procedure. If you own a laptop, please bring it to class. You will submit
More informationASTR-1020: Astronomy II Course Lecture Notes Section III
ASTR-1020: Astronomy II Course Lecture Notes Section III Dr. Donald G. Luttermoser East Tennessee State University Edition 4.0 Abstract These class notes are designed for use of the instructor and students
More informationIntroduction to Astronomy Laboratory Exercise #1. Intro to the Sky
Introduction to Astronomy Laboratory Exercise #1 Partners Intro to the Sky Date Section Purpose: To develop familiarity with the daytime and nighttime sky through the use of Stellarium. Equipment: Computer
More informationColor-Magnitude Diagram Lab Manual
Color-Magnitude Diagram Lab Manual Due Oct. 21, 2011 1 Pre-Lab 1.1 Photometry and the Magnitude Scale The brightness of stars is represented by its value on the magnitude scale. The ancient Greek astronomer
More informationStar Magnitudes & Distances with Stellarium (Stellarium Exercise #2)
Name Date Star Magnitudes & Distances with Stellarium (Stellarium Exercise #2) Millions of stars are scattered across the sky. Astronomers want to study these stars as carefully as possible. This means
More informationObserved Properties of Stars ASTR 2120 Sarazin
Observed Properties of Stars ASTR 2120 Sarazin Extrinsic Properties Location Motion kinematics Extrinsic Properties Location Use spherical coordinate system centered on Solar System Two angles (θ,φ) Right
More informationAstronomy 102 Lab: Distance to the Pleiades
Name: Astronomy 102 Lab: Distance to the Pleiades Please bring your textbook to class. Use a pencil when plotting the points on the graphs. Pre-Lab Assignment: From the planetarium, you know the Pleiades
More informationLight and Stars ASTR 2110 Sarazin
Light and Stars ASTR 2110 Sarazin Doppler Effect Frequency and wavelength of light changes if source or observer move Doppler Effect v r dr radial velocity dt > 0 moving apart < 0 moving toward Doppler
More informationThe principle of geometrical parallax
The principle of geometrical parallax One of the hardest things to do in astronomy is to determine how far away things are. Does the star Vega in Lyra appear exceptionally bright because it s an intrinsically
More informationPhotoelectric Photometry of the Pleiades
Photoelectric Photometry of the Pleiades Student Manual A Manual to Accompany Software for the Introductory Astronomy Lab Exercise Document SM 2: Version 1 Department of Physics Gettysburg College Gettysburg,
More informationINTRODUCTION TO THE TELESCOPE
AST 113/114 Fall 2014 / Spring 2016 NAME: INTRODUCTION TO THE TELESCOPE What will you learn in this Lab? For a few of the labs this semester, you will be using an 8-inch Celestron telescope to take observations.
More informationPhotoelectric Photometry of the Pleiades
Photoelectric Photometry of the Pleiades Student Manual A Manual to Accompany Software for the Introductory Astronomy Lab Exercise Document SM 2: Version 0.96lab Department of Physics Gettysburg College
More informationTypes of Stars and the HR diagram
Types of Stars and the HR diagram Full window version (looks a little nicer). Click button to get back to small framed version with content indexes. This material (and images) is copyrighted! See
More informationHomework #7: Properties of Galaxies in the Hubble Deep Field Name: Due: Friday, October points Profs. Rieke
Homework #7: Properties of Galaxies in the Hubble Deep Field Name: Due: Friday, October 31 30 points Profs. Rieke You are going to work with some famous astronomical data in this homework. The image data
More informationCHARTING THE HEAVENS USING A VIRTUAL PLANETARIUM
Name Partner(s) Section Date CHARTING THE HEAVENS USING A VIRTUAL PLANETARIUM You have had the opportunity to look at two different tools to display the night sky, the celestial sphere and the star chart.
More informationExploring the Night Sky: Star Charts and Stellarium
Names: Grade Exploring the Night Sky: Charts and Stellarium Pre-Lab Quiz Record you team s answer as well as your reasonings and explanations. 1. 2. 3. 4. Part 1: Using a SC001 Constellation Chart Coordinates
More informationLecture Tutorial: Using Astronomy Picture of the Day to learn about the life cycle of stars
Lecture Tutorial: Using Astronomy Picture of the Day to learn about the life cycle of stars For this exercise, you will need an ipad or computer and access to the internet. We will be using the website
More informationPhotometry of Messier 34
Photometry of Messier 34 J. Kielkopf November 12, 2012 1 Messier 34 The open cluster Messier 34 (M34) is in the solar neighborhood, lying roughly in the plane of the Milky Way galaxy in the direction of
More informationThe Distances and Ages of Star Clusters
Name: Partner(s): Lab #7 The Distances and Ages of Star Clusters 0.1 Due July 14th Very few stars are born isolated. Instead, most stars form in small groups, known as clusters. The stars in a cluster
More informationPhysics Lab #2:! Starry Night Introduction!
Physics 10293 Lab #2: Starry Night Introduction Introduction In this lab, we'll learn how to use the Starry Night software to learn about the sky. Starry Night has a large number of features and options,
More informationCharacterizing Stars
Characterizing Stars The stars Every star you see in the sky is a large hot ball of gas like our star the Sun. Each one possibly making up a solar system with planets and debris orbiting around them. Stellar
More informationAstron 104 Laboratory #8 The H-R Diagram
Name: Date: Section: Astron 104 Laboratory #8 The H-R Diagram Section 10.1, 10.5 Introduction The Hertzsprung-Russell diagram, or H-R diagram for short, relates two fundamental properties of stars and
More informationOpen Cluster Research Project
Open Cluster Research Project I. Introduction The observational data indicate that all stars form in clusters. In a cloud of hydrogen gas, laced with helium and a trace of other elements, something triggers
More informationHomework on Properties of Galaxies in the Hubble Deep Field Name: Due: Friday, April 8 30 points Prof. Rieke & TA Melissa Halford
Homework on Properties of Galaxies in the Hubble Deep Field Name: Due: Friday, April 8 30 points Prof. Rieke & TA Melissa Halford You are going to work with some famous astronomical data in this homework.
More informationThe Hertzsprung-Russell Diagram
Introduction + Aims Installing the Software Theory of Hertzsprung-Russell Diagrams Method: Part 1 - Distance to the Star Cluster Part 2 - Age of the Star Cluster Part 3 - Comparison of Star Clusters Extension
More informationThe magnitude system. ASTR320 Wednesday January 30, 2019
The magnitude system ASTR320 Wednesday January 30, 2019 What we measure: apparent brightness How bright a star appears to be in the sky depends on: How bright it actually is Luminosity and its distance
More informationExercise 7.0 THE CHANGING DIURNAL CIRCLES OF THE SUN
Exercise 7.0 THE CHANGING DIURNAL CIRCLES OF THE SUN I. The Apparent Annual Motion of the Sun A star always rises and sets at the same place on the horizon and, hence, it is above the horizon for the same
More informationObtain an optical "bench" setup (there should be three sliding mounts on the calibrated horizontal bar. The setup is shown in the diagram below.
Astronomy 100 Name(s): Exercise 4: Telescopes and spectroscopy Once the various focal issues are resolved, magnification of a small image is a significant consideration for a telescope. Though a planet
More informationStars I. Distance and Magnitude. How Does One Measure Distance? Distances. Stellar Parallax. Distance Equation some examples!
Stars I Distance and Magnitude Chapter 17 Why doesn t comparison work? Distances The nearest star (Alpha Centauri) is 40 trillion kilometers away(4 ly) Distance is one of the most important quantities
More informationGalaxy Metallicity: What Oxygen Tells Us About The Lifecycles of Galaxies Designed by Prof Jess Werk, modified by Marie Wingyee Lau
Introduction Galaxy Metallicity: What Oxygen Tells Us About The Lifecycles of Galaxies Designed by Prof Jess Werk, modified by Marie Wingyee Lau Before stars and galaxies came into existence, the very
More informationLaboratory: Milky Way
Department of Physics and Geology Laboratory: Milky Way Astronomy 1402 Equipment Needed Quantity Equipment Needed Quantity Milky Way galaxy Model 1 Ruler 1 1.1 Our Milky Way Part 1: Background Milky Way
More informationDepartment of Physics and Astronomy University of Iowa 29:137 Astronomical Laboratory Fall 2011 Lab 4: Stellar Spectroscopy
Department of Physics and Astronomy University of Iowa 29:137 Astronomical Laboratory Fall 2011 Lab 4: Stellar Spectroscopy 1 Introduction Throughout your astronomy education, you have read about stellar
More informationStars: Stars and their Properties
Stars: Stars and their Properties Astronomy 110 Class 10 WHEN I heard the learn d astronomer; When the proofs, the figures, were ranged in columns before me; When I was shown the charts and the diagrams,
More informationHomework 9. Quiz Instruc!ons. Question 1. Question 2. 1 pts. 1 pts. ! This is a preview of the draft version of the quiz. Started: Mar 29 at 9:24pm
Homework 9! This is a preview of the draft version of the quiz Started: Mar 29 at 9:24pm Quiz Instruc!ons Question 1 The Sun's spectrum peaks in the yellow-green region of optical light. The Main Sequence
More informationSelecting an Observing Target
Chapter 2: Selecting an Observing Target Selection Criteria There are several factors that must be considered when selecting a target to observe: Is the target visible from Winnipeg? For what dates is
More informationStar Cluster Photometry and the H-R Diagram
Star Cluster Photometry and the H-R Diagram Contents Introduction Star Cluster Photometry... 1 Downloads... 1 Part 1: Measuring Star Magnitudes... 2 Part 2: Plotting the Stars on a Colour-Magnitude (H-R)
More informationStudents will explore Stellarium, an open-source planetarium and astronomical visualization software.
page 22 STELLARIUM* OBJECTIVE: Students will explore, an open-source planetarium and astronomical visualization software. BACKGROUND & ACKNOWLEDGEMENTS This lab was generously provided by the Red Rocks
More informationEarth in Space. Stars, Galaxies, and the Universe
Earth in Space Stars, Galaxies, and the Universe Key Concepts What are stars? How does the Sun compare to other stars? Where is Earth located in the universe? How is the universe structured? What do you
More informationA1101, Lab 8: Distances and Ages of Star Clusters Lab Worksheet
Student Name: Lab Partner Name: Lab TA Name: Background A1101, Lab 8: Distances and Ages of Star Clusters Lab Worksheet Here are a few important things to remember about stellar evolution and star clusters
More informationSkyGlobe Planetarium
SkyGlobe Planetarium Introduction: This exercise will simulate the night sky and demonstrate a number of principles of the celestial sphere and the motions of the Earth and planets. Getting Started: 1.
More informationToday in Space News: Space.com story. More info from NASA. Credit: NASA/JPL-Caltech/MSSS
Today in Space News: Space.com story More info from NASA Credit: NASA/JPL-Caltech/MSSS Study Points (marked with *) Describe positions of stars, Moon, Sun on the sky using direction and altitude. Do this
More informationAstronomy 142 Recitation #7
Astronomy 14 Recitation #7 1 March 01 Formulas to remember Reddening and extinction Magnitude reminder: U = mu, B= mb, = m (apparent magnitudes); B = mb m (color index). isual extinction toward a star:
More informationa) Set the declination to trace the winter Sun's path and rising and setting points in
Astronomy 3130 Spring 2017 Observation Lab 1 (Beta Version) Getting around the sky and observing with the 6 doghouse telescope As an observer, a primary skill is getting your telescope pointed to an appropriate
More informationThe Mass of Jupiter Student Guide
The Mass of Jupiter Student Guide Introduction: In this lab, you will use astronomical observations of Jupiter and its satellites to measure the mass of Jupiter. We will use the program Stellarium to simulate
More informationThe Hubble Redshift Distance Relation
The Hubble Redshift Distance Relation Student Manual A Manual to Accompany Software for the Introductory Astronomy Lab Exercise Document SM 3: Version 1 Department of Physics Gettysburg College Gettysburg,
More informationTHE PLEIADES OPEN CLUSTER
THE PLEIADES OPEN CLUSTER G. Iafrate (a), M. Ramella (a) and P. Padovani (b) (a) INAF - Astronomical Observatory of Trieste (b) ESO - European Southern Observatory 1 Introduction Open star clusters are
More informationDetermining the Properties of the Stars
Determining the Properties of the Stars This set of notes by Nick Strobel covers: The properties of stars--their distances, luminosities, compositions, velocities, masses, radii, and how we determine those
More informationMiSP Astronomy - Seasons Worksheet #1 L2
MiSP Astronomy - Seasons Worksheet #1 L2 Name Date Changing Hours of Daylight on Long Island (L 1, 2, 3) Introduction You sometimes hear people say, Days are longer in the summer and shorter in the winter.
More informationLab 3: Stars, Stars, Stars!
Lab 3: Stars, Stars, Stars! The Hertzsprung-Russell Diagram Today we will learn about the different types of stars and how they are different form one another. Go to http://astro.unl.edu/naap/hr/hr.html.
More informationHubble s Law and the Cosmic Distance Scale
Lab 7 Hubble s Law and the Cosmic Distance Scale 7.1 Overview Exercise seven is our first extragalactic exercise, highlighting the immense scale of the Universe. It addresses the challenge of determining
More informationPHYS133 Lab 7 The HR Diagram
PHYS133 Lab 7 Goals: Measure brightness of various stars in the Pleiades star cluster in two different wavelength bands. Create an HR diagram based on the data taken. Use the distance modulus to determine
More informationGalaxy Growth and Classification
Observational Astronomy Lab: I-1FS Objectives: First Name: Last Name: Galaxy Growth and Classification To understand the concept of color in astronomy. To be able to classify galaxies based on their morphology
More informationHubble's Law and the Age of the Universe
Hubble's Law and the Age of the Universe Procedure: Name: 1. Login into the network using your user ID and your password. 2. Double click on the Astronomy shortcuts folder on the desktop. 3. Double click
More informationSEQUENCING THE STARS
SEQUENCING THE STARS ROBERT J. VANDERBEI Using images acquired with modern CCD cameras, amateur astronomers can make Hertzsprung-Russell diagrams from their own images of clusters. In this way, we can
More informationRelative Photometry with data from the Peter van de Kamp Observatory D. Cohen and E. Jensen (v.1.0 October 19, 2014)
Relative Photometry with data from the Peter van de Kamp Observatory D. Cohen and E. Jensen (v.1.0 October 19, 2014) Context This document assumes familiarity with Image reduction and analysis at the Peter
More informationHostless Supernovae Anna Marlatt Advisor: Dr. David Cinabro
Hostless Supernovae Anna Marlatt Advisor: Dr. David Cinabro 1 Abstract In this paper, I discuss hostless supernovae. These are described as supernovae that do not have a host galaxy. The sample that we
More information5-Star Analysis Tutorial!
5-Star Analysis Tutorial This tutorial was originally created by Aaron Price for the Citizen Sky 2 workshop. It has since been updated by Paul York to reflect changes to the VStar software since that time.
More informationAstronomy 201: Cosmology, Fall Professor Edward Olszewski and Charles Kilpatrick
Astronomy 201: Cosmology, Fall 2013 Professor Edward Olszewski and Charles Kilpatrick Lab 3, Cluster Hertzsprung-Russell Diagrams and the Age of Stars Due October 22, Worth 32 points You may work in groups
More informationAstro 101 Lab #1. To advance time forward and backward, click on the arrow toolbar. From left to right, the buttons will
Name: Astro 101 Lab #1 Lab objectives 1) Learn how to use the Stellarium planetarium program, by becoming familiar with the user interface and configuring the planetarium to your present location on Earth.
More informationUrban Observer. Loose Core Globular Clusters NGC 288 & by David Nakamoto
Urban Observer Loose Core Globular Clusters NGC 288 & 2419 by David Nakamoto dinakamoto@hotmail.com Star clusters make for nice objects for urban observers, both visually and photographically. I think
More informationSection 8. How bright? Magnitudes and Telescopes 1
Section 8. How bright? Magnitudes and Telescopes 1 More than 2000 years ago, the Greek astronomer Hipparchus put together the first star catalog (as far as we know). Since he wanted to indicate somehow
More informationCLEA/VIREO PHOTOMETRY OF THE PLEIADES
CLEA/VIREO PHOTOMETRY OF THE PLEIADES Starting up the program The computer program you will use is a realistic simulation of a UBV photometer attached to a small (diameter=0.4 meters) research telescope.
More informationOkay now go back to your pyraf window
PHYS 391 Astronomical Image Data: Measuring the Distance and Age of a Stellar Cluster Goals This lab is designed to demonstrate basic astronomy data analysis and how extracting stellar population information
More informationAstro 3 Lab Exercise
Astro 3 Lab Exercise Lab #4: Measuring Redshifts of Galaxies Dates: August 5 6 Lab Report due: 5 pm Friday August 15 Summer 2014 1 Introduction This project involves measuring the redshifts of distant
More informationCONFIRMATION OF A SUPERNOVA IN THE GALAXY NGC6946
CONFIRMATION OF A SUPERNOVA IN THE GALAXY NGC6946 G. Iafrate and M. Ramella INAF - Astronomical Observatory of Trieste 1 Introduction Suddenly a star runs out its nuclear fuel. Its life as a normal star
More informationBHS Astronomy: Galaxy Classification and Evolution
Name Pd Date BHS Astronomy: Galaxy Classification and Evolution This lab comes from http://cosmos.phy.tufts.edu/~zirbel/ast21/homework/hw-8.pdf (Tufts University) The word galaxy, having been used in English
More informationIs there life outside of Earth? Activity 2: Moving Stars and Their Planets
Is there life outside of Earth? Activity 2: Moving Stars and Their Planets Overview In this activity, students are introduced to the wobble-method (officially known as the radial velocity method) of detecting
More informationAstronomy 1 Introductory Astronomy Spring 2014
Astronomy 1 Introductory Astronomy Spring 2014 Lab 5: Observing the Sky pt. 2 Quick overview Meet at 8 p.m. in Science Center Room 187. We will go up to the roof from there, and make several different
More informationStellarium Walk-through for First Time Users
Stellarium Walk-through for First Time Users Stellarium is the computer program often demonstrated during our planetarium shows at The MOST, Syracuse s science museum. It is our hope that visitors to our
More informationThe Earth Orbits the Sun Student Question Sheet (Advanced)
The Earth Orbits the Sun Student Question Sheet (Advanced) Author: Sarah Roberts - Faulkes Telescope Project Introduction This worksheet contains questions and activities which will test your knowledge
More informationIntro to Astrophysics
Intro to Astrophysics Dr. Bill Pezzaglia 1 III. Introduction To Astrophysics A. Distances to Stars B. Binary Stars C. HR Diagrams 2 Updated: Nov 2007 A. Stellar Distances 1. Method of Parallax 2. Absolute
More informationApplet Exercise 1: Introduction to the Virtual Lab and Wave Fundamentals
Applet Exercise 1: Introduction to the Virtual Lab and Wave Fundamentals Objectives: 1. Become familiar with the Virtual Lab display and controls.. Find out how sound loudness or intensity depends on distance
More informationGaia Launched in Dec D map of the stars near Sun = 10% of Galaxy Measure the positions of a billion stars to brightness V=20 Precise to
Gaia Launched in Dec 2013 3D map of the stars near Sun = 10% of Galaxy Measure the positions of a billion stars to brightness V=20 Precise to 0.000024 arcseconds = hair at 1000km Accurate distance, position,
More informationAstron 104 Laboratory #12 Hubble s Law
Name: Date: Section: Astron 104 Laboratory #12 Hubble s Law Section 15.3 In this lab, you investigate Hubble s Law, an empirical law which relates the speed with which galaxies recede from us to their
More informationMiSP Astronomy Seasons Worksheet #1 L1
MiSP Astronomy Seasons Worksheet #1 L1 Name Date CHANGING HOURS OF DAYLIGHT ON LONG ISLAND Introduction You sometimes hear people say, Days are longer in the summer and shorter in the winter. That is a
More informationTHE MOON. G. Iafrate (a), M. Ramella (a) e V. Bologna (b) (a) INAF - Osservatorio Astronomico di Trieste (b)
THE MOON G. Iafrate (a), M. Ramella (a) e V. Bologna (b) (a) INAF - Osservatorio Astronomico di Trieste (b) Istituto Comprensivo S. Giovanni Sc. Sec. di primo grado M. Codermatz" - Trieste Information
More informationLab 12. The Hertzsprung-Russell Diagram and Stellar Evolution Introduction
Lab 12 The Hertzsprung-Russell Diagram and Stellar Evolution 12.1 Introduction On a clear, dark night, one might see more than two thousand stars. Unlike our distant ancestors, we recognize that each one
More informationStars: Intro & Classification
Stars: Intro & Classification Astronomy 1 Elementary Astronomy LA Mission College Spring F2015 Quotes & Cartoon of the Day The wonder is, not that the field of stars of so vast, but that man has measured
More informationAstronomy 101: 9/18/2008
Astronomy 101: 9/18/2008 Announcements Pick up a golf ball at the front of the class or get one from Alex; you will need it for an in-class activity today. You will also need the question sheet from Alex.
More informationThe Hertzsprung-Russell Diagram and Stellar Evolution
Lab 6 The Hertzsprung-Russell Diagram and Stellar Evolution 6.1 Introduction On a clear, dark night, one might see more than two thousand stars. Unlike our distant ancestors, we recognize that each one
More informationPoleMaster User Manual (Northern Hemisphere)
PoleMaster User Manual (Northern Hemisphere) 1. Hardware Installation 1.1 Attach the PoleMaster camera unit to the quick install plate using the three bolts supplied. In the case of the AZ EQ5-GT and Mesu
More information